CSA/ANSI Z21.50 : 2016

Preface
1 Scope
2 Reference publications
3 Definitions
4 Construction
5 Performance
6 Production and manufacturing tests
7 Items unique to the United States
8 Items unique to Canada
Annex A (normative) - Provisions for listed gas appliance
        conversion kits (optional)
Annex B (normative) - Delayed ignition test using a
        stoichiometric gas-air mixture for natural gas
        direct vent decorative gas appliances
Annex C (normative) - Sample failure modes and effects
        analysis for component miswiring
Annex D (normative) - Glass temperature calculation
Annex E (normative) - Outline of lighting instructions
        for appliances equipped with continuous pilots
Annex F (normative) - Outline of operating instructions
        for appliances equipped with intermittent pilot
        or interrupted pilot systems
Annex G (normative) - Outline of operating instructions
        for appliances equipped with direct ignition
systems
Annex H (normative) - Automatic intermittent pilot
        ignition systems for field installation
Annex I (normative) - Recommended wire color usage
Annex J (normative) - Annual inspection list for determining
        safe operation of a direct vent decorative gas
appliance
Annex K (informative) - Pertinent references to ANSI Y14.15
Annex L (informative) - Wire color designations
Annex M (informative) - Preferred graphic symbols of
        commonly used items, extracted from standard
        ANSI/IEEE 315, Graphic symbols for electrical
        and electronics diagrams, and abbreviations for
        these items
Annex N (informative) - Table of conversion factors

Pertains to newly produced vented decorative gas appliances, hereinafter referred to as appliances, constructed entirely of new, unused parts and materials and having input ratings up to and including 400,000 Btu/hr (117228 W).